EVGA GTX 275 - $179.00 $169.00 Shipped.(Only one left!)
Great cards, but too much horsepower for folding compared to my collection of 260's.

2x MSI K9A2 Platinum mobos AM2+/AM3 - $55.00 each shipped
"The" venerable folding motherboard. What more needs to be said? Boards are in perfect working order. Throw in one of the below CPU's for a combo deal!